Coffee machine



FIG. 1 is a perspective from in front and above to the left of the invention;

FIG. 2 is a front elevational view of the invention;

FIG. 3 is a right-side elevational view of the invention;

FIG. 4 is a left-side elevational view of the invention;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines in the drawings are included for the purpose of illustration and form no part of the claimed design.

“SEVERIN”, forming part of the claimed design, is a registered trademark of the assignee, Severin Elektrogeraete GMBH; the assignor being the present inventor. 

The ornamental design for a coffee machine, as shown and described. 